<SEC-DOCUMENT>0001127602-20-028989.txt : 20201113
<SEC-HEADER>0001127602-20-028989.hdr.sgml : 20201113
<ACCEPTANCE-DATETIME>20201113163449
ACCESSION NUMBER:		0001127602-20-028989
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201111
FILED AS OF DATE:		20201113
DATE AS OF CHANGE:		20201113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kunkle Lisa K.
		CENTRAL INDEX KEY:			0001632842

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16091
		FILM NUMBER:		201312018

	MAIL ADDRESS:	
		STREET 1:		33587 WALKER ROAD
		CITY:			AVON LAKE
		STATE:			OH
		ZIP:			44012

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVIENT CORP
		CENTRAL INDEX KEY:			0001122976
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		IRS NUMBER:				341730488
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		33587 WALKER ROAD
		CITY:			AVON LAKE
		STATE:			OH
		ZIP:			44012
		BUSINESS PHONE:		440-930-1000

	MAIL ADDRESS:	
		STREET 1:		33587 WALKER ROAD
		CITY:			AVON LAKE
		STATE:			OH
		ZIP:			44012

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	POLYONE CORP
		DATE OF NAME CHANGE:	20000830
</SEC-HEADER>
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<SEQUENCE>1
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    <periodOfReport>2020-11-11</periodOfReport>

    <issuer>
        <issuerCik>0001122976</issuerCik>
        <issuerName>AVIENT CORP</issuerName>
        <issuerTradingSymbol>AVNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001632842</rptOwnerCik>
            <rptOwnerName>Kunkle Lisa K.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>AVIENT CENTER</rptOwnerStreet1>
            <rptOwnerStreet2>33587 WALKER ROAD</rptOwnerStreet2>
            <rptOwnerCity>AVON LAKE</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>SVP Gnrl Counsel &amp; Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
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                <value>Common Stock</value>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.81</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-11</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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        <nonDerivativeTransaction>
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                <value>Common Stock</value>
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                <value>2020-11-12</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionPricePerShare>
                    <value>34.5122</value>
                    <footnoteId id="F1"/>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <directOrIndirectOwnership>
                    <value>D</value>
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            <securityTitle>
                <value>Common Stock</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1950.681</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Savings Plan Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
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        <derivativeTransaction>
            <securityTitle>
                <value>Stock Appreciation Rights</value>
            </securityTitle>
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            <transactionDate>
                <value>2020-11-11</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>12300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2021-02-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>12300</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>0</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Appreciation Rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.61</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-11-11</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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                    <value>18300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-02-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18300</value>
                </underlyingSecurityShares>
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                    <value>0</value>
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                    <value>D</value>
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    <footnotes>
        <footnote id="F1">The sale price is a weighted average for the sale transactions. The sales prices range from a low of $34.10 per share to a high of $34.92. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, Avient Corporation or a security holder of Avient Corporation.</footnote>
        <footnote id="F2">The information in this report is based on a Avient Retirement Savings Plan statement as of November 11, 2020.</footnote>
        <footnote id="F3">The stock appreciation rights vested in three equal annual installments beginning February 16, 2012.</footnote>
        <footnote id="F4">SARs become exercisable and vest one-third on the attainment of 10%, 15% and 20% stock appreciation (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $14.61 per share, with no more than one-third vesting per year during the first three years.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lisa K. Kunkle</signatureName>
        <signatureDate>2020-11-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
